114 lines
3.1 KiB
Bash
Executable File
114 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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[ -z "$CRYPTSETUP_PATH" ] && CRYPTSETUP_PATH=".."
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CRYPTSETUP=$CRYPTSETUP_PATH/cryptsetup
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DEV_NAME="discard-t3st"
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DEV=""
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PWD1="93R4P4pIqAH8"
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CRYPTSETUP_VALGRIND=../.libs/cryptsetup
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CRYPTSETUP_LIB_VALGRIND=../.libs
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cleanup() {
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[ -b /dev/mapper/$DEV_NAME ] && dmsetup remove --retry $DEV_NAME
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udevadm settle >/dev/null 2>&1
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rmmod scsi_debug >/dev/null 2>&1
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sleep 2
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}
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fail()
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{
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echo "FAILED backtrace:"
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while caller $frame; do ((frame++)); done
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cleanup
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exit 100
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}
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skip()
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{
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[ -n "$1" ] && echo "$1"
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exit 77
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}
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function valgrind_setup()
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{
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command -v valgrind >/dev/null || fail "Cannot find valgrind."
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[ ! -f $CRYPTSETUP_VALGRIND ] && fail "Unable to get location of cryptsetup executable."
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export LD_LIBRARY_PATH="$CRYPTSETUP_LIB_VALGRIND:$LD_LIBRARY_PATH"
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}
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function valgrind_run()
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{
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INFOSTRING="$(basename ${BASH_SOURCE[1]})-line-${BASH_LINENO[0]}" ./valg.sh ${CRYPTSETUP_VALGRIND} "$@"
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}
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add_device() {
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rmmod scsi_debug >/dev/null 2>&1
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if [ -d /sys/module/scsi_debug ] ; then
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echo "Cannot use scsi_debug module (in use or compiled-in), test skipped."
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exit 77
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fi
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modprobe scsi_debug $@ delay=0 >/dev/null 2>&1
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if [ $? -ne 0 ] ; then
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echo "This kernel seems to not support proper scsi_debug module, test skipped."
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exit 77
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fi
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sleep 2
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DEV=$(grep -l -e scsi_debug /sys/block/*/device/model | cut -f4 -d /)
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DEV="/dev/$DEV"
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[ -b $DEV ] || fail "Cannot find $DEV."
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}
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function check_version()
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{
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VER_STR=$(dmsetup targets | grep crypt | cut -f 2 -dv)
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[ -z "$VER_STR" ] && fail "Failed to parse dm-crypt version."
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VER_MAJ=$(echo $VER_STR | cut -f 1 -d.)
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VER_MIN=$(echo $VER_STR | cut -f 2 -d.)
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# option supported in 1.11
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test $VER_MAJ -gt 1 && return 0
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test $VER_MIN -ge 11 && return 0
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return 1
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}
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[ ! -x "$CRYPTSETUP" ] && skip "Cannot find $CRYPTSETUP, test skipped."
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[ -n "$VALG" ] && valgrind_setup && CRYPTSETUP=valgrind_run
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if [ $(id -u) != 0 ]; then
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echo "WARNING: You must be root to run this test, test skipped."
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exit 77
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fi
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modprobe dm-crypt >/dev/null 2>&1
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if ! check_version ; then
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echo "Probably old kernel, test skipped."
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exit 77
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fi
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add_device dev_size_mb=16 sector_size=512 num_tgts=1 lbpu=1
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# FIXME test hash of device (unmap -> zero)
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# for now just check that flag is enabled
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echo "[1] Allowing discards for LUKS device"
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echo $PWD1 | $CRYPTSETUP luksFormat --type luks1 $DEV -q -i1 || fail
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echo $PWD1 | $CRYPTSETUP luksOpen $DEV $DEV_NAME --allow-discards || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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$CRYPTSETUP resize $DEV_NAME --size 100 || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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dmsetup table $DEV_NAME | grep allow_discards >/dev/null || fail
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$CRYPTSETUP luksClose $DEV_NAME || fail
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echo "[2] Allowing discards for plain device"
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echo $PWD1 | $CRYPTSETUP create -q $DEV_NAME $DEV --hash sha256 --allow-discards || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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$CRYPTSETUP resize $DEV_NAME --size 100 || fail
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$CRYPTSETUP status $DEV_NAME | grep flags | grep discards >/dev/null || fail
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dmsetup table $DEV_NAME | grep allow_discards >/dev/null || fail
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$CRYPTSETUP remove $DEV_NAME || fail
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cleanup
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